results.webkit.org labels wincairo as Win10 wk1 Release which is exactly same as the one for windows queue. It effectively shows two 'Win10 wk1 Release'.
Created attachment 393166 [details] Screenshot
e.g.: https://results.webkit.org/?suite=layout-tests&test=js%2Fdom%2Fnavigator-maxtouchpoints.html
That's unfortunate...it's because Windows and WinCairo have the same OS name, but a different platform name....it's ultimately a UI issue, the database is doing the right thing